Eucharitidae,

Silva, Thiago S. R., Silva-Freitas, Juliana M. & Schoeninger, Karine, 2019, A synopsis of the Brazilian Eucharitidae (Hymenoptera: Chalcidoidea) fauna: an annotated checklist of the family in the country, with a revised key for the New World genera, Zootaxa 4564 (2), pp. 347-366: 350-351

publication ID

https://doi.org/10.11646/zootaxa.4564.2.3

publication LSID

lsid:zoobank.org:pub:88209030-C172-47E6-A2A5-81884EF1E3FF

persistent identifier

http://treatment.plazi.org/id/7030D731-FFF3-FF80-FF36-FB34C1D9FA1D

treatment provided by

Plazi

scientific name

Eucharitidae
status

 

Key to the New World genera of Eucharitidae 

(modified from Heraty 2002, 2006 and Torréns & Heraty 2013)

1 Prepectus separated from pronotum by a suture or a line ( Fig. 1View FIGURES 1‒6, str: suture). First gastral sternum with transverse sulcus delimiting small crescentic anterior region ( Fig. 2View FIGURES 1‒6, gsu: sulcus)............................ Orasema Cameron  ( Oraseminae  )

- Prepectus fused to pronotum ( Fig. 3View FIGURES 1‒6), sometimes with crenulate sulcus along line of fusion. First gastral sternum evenly rounded without a transverse sulcus ( Fig. 4View FIGURES 1‒6)........................................... 2 ( Eucharitinae  , Eucharitini)

2(1) Mesoscutellum rounded or with a flattened flange ( Fig. 5View FIGURES 1‒6)..................................................... 3

- Mesoscutellum with prominent single or paired process at frenum (fp: frenal process) that is more than 1.5× as long as wide at the base ( Fig. 6View FIGURES 1‒6) (small paired processes in Colocharis  )....................................................... 7

3(2) Mesoscutellum projecting as a flattened flange that is about as long as wide ( Fig. 7View FIGURES 7‒12, indicated by a white arrow). Frenal line continuous with lateral margins of scutellar process............................................. Carletonia Heraty 

- Mesoscutellum rounded ( Fig. 5View FIGURES 1‒6) or slightly projecting as a sharp flange ( Fig. 8View FIGURES 7‒12) or rounded bidentate lobe; frenal line distinctly above or below its lateral margins if a process is present....................................................... 4

4(3) Frenum rounded or with broad, emarginated flange........................................................... 5

- Frenum with short bifurcating spines ( Fig. 10View FIGURES 7‒12, frl: frenal line; fp: frenal process)................................... 6

5(4) Prepectus reaching tegula ( Fig. 9View FIGURES 7‒12, tgl: tegula). Scutum predominantly smooth. Funicular segments simple................................................................................................ Pseudometagea Ashmead 

- Prepectus not reaching tegula ( Fig. 3View FIGURES 1‒6). Scutum areolate. Funicular segments simple, serrate or pectinate in female; always pectinate in male..................................................................... Pseudochalcura Ashmead 

6(4) Funicular segments of female serrate or lobate, segments of male pectinate ( Fig. 11View FIGURES 7‒12). Hind tibia with one spur. Propodeal processes forming a ridge or long tapering spines; callus rugose.................................. Lophyrocera Cameron 

- Funicular segments simple ( Fig. 12View FIGURES 7‒12). Hind tibia with two spurs. Propodeal processes blunt; callus and process with strong laminate carinae, rarely rugose.................................................................... Obeza Heraty 

7(2) Supraclypeal area bordered laterally by crenulate sulcus. Posterior marginal fringe of fore wing present. Frenal spines short and blunt (not more than 2‒3× as long as wide) ( Figs 6View FIGURES 1‒6, 13View FIGURES 13‒18). Propodeal spiracle circular................ Colocharis Heraty 

- Supraclypeal area without a crenulate sulcus. Posterior marginal fringe of fore wing usually absent. Frenal spines long, usually extending to apex of gaster or beyond ( Fig. 14View FIGURES 13‒18). Ventral margin of propodeal spiracle slit-shaped....................... 8 8(7) Scutoscutellar sulcus filled with a dense patch of long, hook-tipped, golden hairs ( Fig. 15View FIGURES 13‒18, indicated by a white arrow). Frenal spines of female broad and flattened or cylindrical; male processes thin and cylindrical.............. Dilocantha Ashmead 

- Scutoscutellar sulcus bare or at most with a few scattered hairs or setae ( Fig. 16View FIGURES 13‒18, indicated by a white arrow). Frenal spines with various shapes.................................................................................... 9

9(8) Frenal spines flattened, triangular or dome-shaped; scutellar processes forming a carapace over metasoma and narrowly separated medially ( Fig. 17View FIGURES 13‒18), or cylindrical and broadly separated apically but with a broad, nearly contiguous base (male of Galearia  )........................................................................................... 10

- Frenal spines cylindrical and broadly separated along their entire length ( Fig. 18View FIGURES 13‒18).................................. 12

10(9) Eye flat and contiguous with margin of head. Head closely fitted with mesosoma. Frenal spines of female dome-shaped and broadly rounded over gaster, processes of male acute apically with a broad, nearly contiguous base ( Fig. 19View FIGURES 19‒24)...................................................................................................... Galearia Brullé 

- Eye broadly rounded and slightly convex. Head loosely articulating with mesosoma. Frenal spines of both sexes flat or triangular ( Fig. 20View FIGURES 19‒24)......................................................................................... 11

11(10) Eyes bare. Funicle of female with 5 or 6 segments. Frenal spines dorsoventrally flat, subtruncate apically, and striate ( Fig. 2 1View FIGURES 1‒6). Propodeum smooth, callus strongly produced posterodorsally as a sharp flange.................. Dicoelothorax Ashmead 

- Eyes with erect setae. Funicle of female with 8 segments. Frenal spines triangular, acute apically, and longitudinally ribbed ( Fig. 22View FIGURES 19‒24). Propodeum of female flat and carinated, callus indistinct............................. Thoracantha Latreille 

12(9) Eyes medially tuberculate. Frons raised and hemispherical laterally to scrobes; frons finely reticulate or granulate ( Fig. 23View FIGURES 19‒24)........................................................................................... Isomerala Shipp 

- Eyes broadly convex. Frons flat, rarely slightly raised; when raised, the frons is completely smooth ( Fig. 24View FIGURES 19‒24)............ 13

13(12) Funicle of female with 6 or 7 segments, basal segments pectinate and apical 2 or 3 segments fused into a distinct clava. Frenal spines cylindrical and smooth along most of their length ( Fig. 25View FIGURES 25‒30).............................. Lasiokapala Ashmead 

- Funicle of female with 5‒9 segments, either simple or serrate, and without a distinct clava. Frenal spines variously sculptured, but not smooth ( Fig. 26View FIGURES 25‒30)............................................................................... 14

14(13) Basal flagellomere in male more than 5× longer than wide, excluding branch. Scape long and reaching at least to top of median ocellus, but usually exceeding vertex. Eyes with erect bristles ( Fig. 27View FIGURES 25‒30).......................................... 15

- Basal flagellomere of male transverse basally, never elongate. Scape not reaching top of median ocellus. Eyes with short setae ( Fig. 28View FIGURES 25‒30)............................................................................................ 16

15(14) Mesoscutellum broadly rounded without a distinct median depression. Head with transverse carina between median and lateral ocelli extending towards inner margin of eyes ( Fig. 29View FIGURES 25‒30, indicated by a white arrow)............. Neolirata Torréns & Heraty 

- Mesoscutellum distinctly humped with a median longitudinal depression. Head without a transverse carina between median and lateral ocelli. ( Fig. 30View FIGURES 25‒30).................................................................. Lirata Cameron 

16(14) Face smooth except for fine reticulation around median ocellus. Head, excluding eyes, and body with long, erect bristles. Mesoscutellum smooth and shining dorsally ( Fig. 31View FIGURES 31‒36)........................................... .. Liratella Girault 

- Face usually more evenly sculptured, rarely smooth. Head and body with short erect or semi-appressed setae. Mesoscutellum longitudinally ribbed dorsally ( Fig. 32View FIGURES 31‒36)................................................................... 17

17(16) Head covered with dense, fine, erect or decumbent setae. Female with 9 flagellomeres; basal flagellomere (Fl 2) 4‒7× longer than its basal width ( Fig. 33View FIGURES 31‒36). Female with two medial incisions over posterior margin of first gastral tergite................................................................................................. Latina Koçak & Kemal 

- Head surface with sparse setae. Female with 7 or 8 flagellomeres, rarely with 9; basal flagellomere less than 3× longer than its basal width ( Fig. 34View FIGURES 31‒36). Female with one medial incision over the posterior margin of the first gastral tergite.............. 18

18(17) Labial palpi absent, maxillary palpi small and unsegmented or absent. Female with 5 short serrate funicular segments and a large clava. Male with flagellar branches short and thick. Axillular groove deep and curved medially ( Fig. 35View FIGURES 31‒36, indicated by a white arrow). Frenal spines thin and closely spaced......................................... Parakapala Gemignani 

- Palpal formula 3/2 or 3/3. Female usually with 7 or 8 funicular segments. Male with flagellar branches long and thin. Axillular groove shallow and linear ( Fig. 36View FIGURES 31‒36). Frenal spines long, robust and broadly spaced..................... Kapala Cameron